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Control Pwm

December 13th, 2008 admin Leave a comment Go to comments

Control Pwm
how do i reduce the fan speed, in amibios, on as rock 4coredual-vsta motherboard?

the cpu fan has a 4 pin pwm control, im in amibios where you can tell the pc how hot the cpu can get before it should increase the speed of the fan.
The cpu fan im using is a Zalman cnps 9500, which should be able to operate between 1350rpm and 2650 rpm, but even with the pwm temperature set at the maximum it still has the fan spinning at its highest, how do you reduce the speed of the fan, there are no controls for reducing voltage.
Im considering going for a new motherboard which has greater control over the pwm speed of the cpu fan, any recommendations?, i have only about £50 to spend.

to control your fan speed you can use a program called speedfan it will automatically speed up the fan speed when things get to warm and slow it down when things cool off a little you can download it here http://www.softpedia.com/get/System/System-Info/SpeedFan.shtml

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